Fastener



FIG. 1 is a perspective view from a plan side of a fastener showing mynew design;

FIG. 2 is a perspective view from a bottom side thereof;

FIG. 3 is another perspective view from the plan side thereof;

FIG. 4 is a front view thereof, a rear view being identical to the frontview;

FIG. 5 is a right side view thereof, a left side view being identical tothe right side view;

FIG. 6 is a plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view thereof along the line 8-8 in FIG. 6;and,

FIG. 9 is a cross-sectional view thereof along the line 9-9 in FIG. 6.

The broken lines depict portions of the fastener that form no part ofclaimed design.

CLAIM The ornamental design for a fastener, as shown and described.